added docker file and fix fzf no default arg

Dockerfile

@@ -0,0 +1,9 @@
+FROM alpine:latest
+RUN apk add --no-cache bash
+RUN apk add --no-cache git
+RUN apk add --no-cache vim
+RUN apk add --no-cache fzf
+ADD ./ /root/dotbare
+RUN echo "PATH=$PATH:$HOME/dotbare" >> "$HOME"/.bashrc
+WORKDIR /root
+ENTRYPOINT ["/bin/bash"]

helper/set_variable.sh

@@ -22,12 +22,13 @@ if [[ -z "${DOTBARE_KEY}" ]]; then
     --bind=alt-a:toggle-all
     --bind=alt-w:jump
     --bind=alt-0:top
-    --bind=alt-c:clear-query
     --bind=alt-s:toggle-sort
     --bind=alt-t:toggle-preview
   "
 fi
 
+[[ -z "${FZF_DEFAULT_OPTS}" ]] && export FZF_DEFAULT_OPTS='--cycle'
+
 FZF_DEFAULT_OPTS="
   $FZF_DEFAULT_OPTS
   --ansi